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Finding the Fourth Proportional to 84,374.48, 126,580.92 and 44,910.80

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Solution

The fourth proportional to 84,374.48, 126,580.92 and 44,910.80 is: 67,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,374.48 : 126,580.92 = 44,910.80 : x
  2. Step 2: Convert to fraction form
    84,374.48/126,580.92 = 44,910.80/x
  3. Step 3: Cross multiply
    84,374.48x = 126,580.92 × 44,910.80
  4. Step 4: Simplify right side
    84,374.48x = 5,684,850,381.94
  5. Step 5: Solve for x
    x = 5,684,850,381.94/84,374.48
  6. Step 6: Final answer
    x = 67,376.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.